While they might not be "best ever", these are some memorable ones that are oversights so far:
Degrassi Jr High
http://www.youtube.com/watch?v=RASSqslGSBE
Of course with this one, the credits is where the gold really is (Captain Planet):
http://www.youtube.com/watchv=Vo0D6b...eature=related
Great riff on this one (Beverly Hills 90210):
http://www.youtube.com/watch?v=QyS_o...eature=related
Smoggies
http://www.youtube.com/watch?v=EdCfCSfkLqQ
ALF
http://www.youtube.com/watch?v=oBpXoeZzRdI
And it was always a good late night when this 10-year old got to stay up late and partake in some casual father-son misogyny (Married with Children)
http://www.youtube.com/watch?v=KAKaJE4gjYg